He currently plays for NK Maribor U20, wearing the number 23 shirt. At the international level, he represents Slovenia U17. He plays primarily as a Midfield. His current market value is estimated at 300K €.

His most recent move was a from NK Maribor U17 to Maribor on 2025-06-30.

Across 1 appearances in the UEFA European U21 Championship qualification 2025-2027, nejc viher registered 0 goals and 0 assists, while completing 0 key passes out of 25 total passes with a passing accuracy of 23.